O2 Sensor Insertion and Metal Gasket Included. 1.75" Inlet, 2.50" Outlet. Increase High Flow Air, Instantly Gain 10 -15 Hp. Professional Installation is Highly Recommended (No Instruction Included).1 X Header Exhaust System, Gasket(s) and Bolt(s) as shown in the Picture above (ALL if any is necessary for Installation). 94-01 Acura Integra GSR/Type-R (Direct Bolt-On Installation). 99-00 Honda Civic Si (Modification Required). Honda Del Sol V-TEC (Modification Required). Professional Installation is Highly Recommended. Installation Instruction is NOT Included. Thank You For The Opportunity To Serve You! The item "For 94-01 Acura Integra GSR/Type-R/Honda Civic Si B-Series Tri-Y Exhaust Header" is in sale since Monday, October 12, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exhaust\Exhaust Manifolds & Headers". The seller is "performotor" and is located in Texas, TX. This item can be shipped worldwide.
2.5" diameter required